Home / 1,881.25-2,596.44-1,135.32

Finding the Fourth Proportional to 1,881.25, 2,596.44 and 1,135.32

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Solution

The fourth proportional to 1,881.25, 2,596.44 and 1,135.32 is: 1,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.25 : 2,596.44 = 1,135.32 : x
  2. Step 2: Convert to fraction form
    1,881.25/2,596.44 = 1,135.32/x
  3. Step 3: Cross multiply
    1,881.25x = 2,596.44 × 1,135.32
  4. Step 4: Simplify right side
    1,881.25x = 2,947,790.26
  5. Step 5: Solve for x
    x = 2,947,790.26/1,881.25
  6. Step 6: Final answer
    x = 1,566.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.